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The jellyfish that weigh over 20 kg are thrown onto the shores of the islands non-stop

After a delay of a few days, a huge swarm of enormous jellyfish arrived on the shores of Crete.
The jellyfish that weigh over twenty kilograms continue to be washed up on the beaches at any given moment.

Explanation of the swarm of jellyfish ► Watch  

The water is brown and warm

When the sea water is relatively warm, combined with a lot of rain and a lack of storms, there are algae blooms and atrophication in the water. This "cocktail" takes place this winter (2024) in Kiryat Haim - the water is brown and contains lots of phytoplankton and zooplankton as seen under the microscope.

Underwater jellyfish ► Watch  

Jellyfish in the sea ► Watch  


The jelly monsters on the beaches of Kiryat (photo: Motty Mendelson)
The jelly monsters on the beaches of Kiryat (photo: Motty Mendelson)

These are the worst days for swimming

This is because you don't see anything and suddenly you encounter a crushing burn. Anyone who enters the sea in Kiryat at noon will be burned. This is the justification for the nickname "scorching water".

The jelly monsters on the beaches of Kiryat (photo: Motty Mendelson)
The jelly monsters on the beaches of Kiryat (photo: Motty Mendelson)

The beaches of the Kariyas are full of giant jellyfish ► Watch  

Not boring in Israel

It is difficult to estimate exactly when the "blue pudding" will disappear, but we will update.

The jelly monsters on the beaches of Kiryat (photo: Motty Mendelson)
The jelly monsters on the beaches of Kiryat (photo: Motty Mendelson)

contact: At watsapBy email

Motty Mendelssohn
Motty Mendelssohn
Marine researcher (diving, underwater photography) and marine and environmental ecology for 35 years. Lecturer in the field for about 20 years. You can order a lecture, or a series of lectures accompanied by unique and spectacular photos, taken during many years of research, in Israel and abroad, ecological tours within Israel and tours of the Dead Sea sinkholes • 050-7271157 • [email protected]

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9 תגובות

  1. Spectacular photos in Japan!
    I really liked the informative videos :)
    Nothing to say, we won huge jellyfish that are 80 cm long and weigh 20 kg
    Thanks for the exposure and the wonderful photos and videos!

  2. Hello Yaniv.
    Currently there is no practical use for this creature.
    Thank you

  3. Hello Moshiko and thank you.
    It is indeed an absolutely crazy year.
    Today's waves will probably be followed by the huge swarm.
    What you describe shows the length of huge arms and the diameter of huge arms... so the amount of venom injected is enormous.
    Have a wonderful day and take care.

  4. All the best to you, my friend Motty Mendelssohn. Have a good week

  5. Anyone who answers an automatic and says that last year there were also jellyfish this season is confused!!!
    It is true that every winter and towards spring there are individual jellyfish, not swarms, even last year there were, but there is a big sadness! What was last year is a pinch of what is available this season in everything in quantity, sizes, burns they cause...
    Don't take Moti's words about swimming lightly, forget what you knew in the normal seasons in the summer with the jellyfish!
    From personal experience, I say Mark put your hand a few meters near a giant jellyfish, my hand swelled up, just thinking that some boil will run into it with the face makes it ooze

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